- Date
- September 27, 1967
- Place
- Helena, MT · HELENA, MT
- Injuries
- 4 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N3763PPiper PA-22
- Status
- Completed · report January 10, 1968
- Report
- Brief approved by the director
- Case key
- 113936
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-3903 67/9/27 HELENA,MONT PIPER PA-22 CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 23, 189 TIME - 0850 N3763P PX- 0 0 3 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 13 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. NAME OF AIRPORT - HELENA TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: DESCENDING GEAR COLLAPSED LANDING: ROLL PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE FACTOR(S) TERRAIN - ROUGH/UNEVEN MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- NO.3 CYL EXHAUST VALVE FAILED.
Aircraft
- Registration
- N3763P
- Reported as
- Piper PA-22
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Helena
N3763PRegistration cancelled Nov 9, 2012 · Piper PA-22-150Airframe modelPiper PA-22-150Engine modelLycoming 0-320 series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.